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update sf

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Denis Lehmann 2022-01-16 15:45:10 +01:00
parent 6788c3d387
commit 938c53fd85
1 changed files with 89 additions and 30 deletions
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119
lib/sf
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@ -59,11 +59,14 @@ function _sferr {
# Declare variables for parsing # Declare variables for parsing
OLDIFS=$IFS OLDIFS=$IFS
IFS=";" IFS=";"
_sfphead=""
_sfpdesc=""
_sfodesc=" -h, --help;Show this help message\n"
_sfexamples=""
_sfpargs=() _sfpargs=()
_sfpheads=()
_sfpoffset=0
_sfptails=()
_sfpusage=""
_sfoheads=()
_sfooffset=0
_sfotails=()
declare -A _sfflags declare -A _sfflags
declare -A _sfargs declare -A _sfargs
@ -74,7 +77,7 @@ for a in "${sfargs[@]}"; do
_sfsubst=${a//";"} _sfsubst=${a//";"}
_sfcount="$(((${#a} - ${#_sfsubst})))" _sfcount="$(((${#a} - ${#_sfsubst})))"
if [ $_sfcount -eq 1 ]; then if [ "$_sfcount" -eq 1 ]; then
# Read positional argument declaration # Read positional argument declaration
read -r -a _sfparsearr <<< "${a}" read -r -a _sfparsearr <<< "${a}"
@ -83,12 +86,15 @@ for a in "${sfargs[@]}"; do
[[ " ${_sfpargs[*]} " =~ " ${_sfparsearr[0]} " ]] && _sferr "'${_sfparsearr[0]}' is already set: $a" [[ " ${_sfpargs[*]} " =~ " ${_sfparsearr[0]} " ]] && _sferr "'${_sfparsearr[0]}' is already set: $a"
_sfpargs+=("${_sfparsearr[0]}") _sfpargs+=("${_sfparsearr[0]}")
# Set usage header and description # Set usage header and append description arrays
_sfphead="$_sfphead ${_sfparsearr[0]}" _sfpusage="$_sfpusage ${_sfparsearr[0]}"
_sfpdesc="$_sfpdesc ${_sfparsearr[0]};${_sfparsearr[1]}\n" _sfphead="${_sfparsearr[0]}"
[ "${#_sfphead}" -gt "${_sfpoffset}" ] && _sfpoffset="${#_sfphead}"
_sfpheads+=("$_sfphead")
_sfptails+=("${_sfparsearr[1]}")
# Flags # Flags
elif [ $_sfcount -eq 2 ]; then elif [ "$_sfcount" -eq 2 ]; then
# Read flag declaration # Read flag declaration
read -r -a _sfparsearr <<< "${a}" read -r -a _sfparsearr <<< "${a}"
@ -100,13 +106,16 @@ for a in "${sfargs[@]}"; do
_sfflags["-${_sfparsearr[1]}"]="${_sfparsearr[0]}" _sfflags["-${_sfparsearr[1]}"]="${_sfparsearr[0]}"
# Set default value # Set default value
declare "${_sfparsearr[0]}"=false declare "${_sfparsearr[0]//-/_}"=false
# Set description # Append description arrays
_sfodesc="$_sfodesc -${_sfparsearr[1]}, --${_sfparsearr[0]};${_sfparsearr[2]}\n" _sfohead="-${_sfparsearr[1]}, --${_sfparsearr[0]}"
[ "${#_sfohead}" -gt "${_sfooffset}" ] && _sfooffset="${#_sfohead}"
_sfoheads+=("$_sfohead")
_sfotails+=("${_sfparsearr[2]}")
# Arguments # Arguments
elif [ $_sfcount -eq 4 ]; then elif [ "$_sfcount" -eq 4 ]; then
# Read argument declaration # Read argument declaration
read -r -a _sfparsearr <<< "${a}" read -r -a _sfparsearr <<< "${a}"
@ -118,57 +127,107 @@ for a in "${sfargs[@]}"; do
_sfargs["-${_sfparsearr[1]}"]="${_sfparsearr[0]}" _sfargs["-${_sfparsearr[1]}"]="${_sfparsearr[0]}"
# Set default value # Set default value
declare "${_sfparsearr[0]}"="${_sfparsearr[3]}" declare "${_sfparsearr[0]//-/_}"="${_sfparsearr[3]}"
# Set description # Append description arrays
_sfodesc="$_sfodesc -${_sfparsearr[1]}, --${_sfparsearr[0]} ${_sfparsearr[2]};${_sfparsearr[4]} (default: ${_sfparsearr[3]})\n" _sfohead="-${_sfparsearr[1]}, --${_sfparsearr[0]} ${_sfparsearr[2]}"
[ "${#_sfohead}" -gt "${_sfooffset}" ] && _sfooffset="${#_sfohead}"
_sfoheads+=("$_sfohead")
_sfotails+=("${_sfparsearr[4]} (default: ${_sfparsearr[3]})")
else else
_sferr "Wrong argument declaration: $a" _sferr "Wrong argument declaration: $a"
fi fi
done done
# Set _sfwidth to current terminal size
_sfwidth=$(stty size | cut -d ' ' -f 2)
# Create positional argument description with correct line breaks
_sfpoffset=$(( "_sfpoffset" + 3 ))
_sfpdesc=""
for i in "${!_sfptails[@]}"; do
_sfptail="${_sfptails[$i]}"
if [ $(( "${#_sfptail}" + "$_sfpoffset" )) -gt "$_sfwidth" ]; then
_sfptail=$(echo "$_sfptail" | fold -s -w "$(( _sfwidth - _sfpoffset ))")
_sfptail="${_sfptail//$' \n'/$'\n;'}"
fi
_sfpdesc="${_sfpdesc} ${_sfpheads[$i]};${_sfptail}\n"
done
# Create option description with correct line breaks
_sfooffset=$(( "_sfooffset" + 3 ))
_sfodesc=" -h, --help;Show this help message\n"
for i in "${!_sfotails[@]}"; do
_sfotail="${_sfotails[$i]}"
if [ $(( "${#_sfotail}" + "$_sfooffset" )) -gt "$_sfwidth" ]; then
_sfotail=$(echo "$_sfotail" | fold -s -w "$(( _sfwidth - _sfooffset ))")
_sfotail="${_sfotail//$' \n'/$'\n;'}"
fi
_sfodesc="${_sfodesc} ${_sfoheads[$i]};${_sfotail}\n"
done
# Check if at least one positional argument is set if 'sfparr' is used # Check if at least one positional argument is set if 'sfparr' is used
[ "$sfparr" == true ] && [ "${#_sfpargs[@]}" == 0 ] && _sferr "At least one positional argument must be used with 'sfparr'" [ "$sfparr" == true ] && [ "${#_sfpargs[@]}" == 0 ] && _sferr "At least one positional argument must be used with 'sfparr'"
# Parse examples # Parse examples
_sfeheads=()
_sfetails=()
_sfeoffset=0
for e in "${sfexamples[@]}"; do for e in "${sfexamples[@]}"; do
# Get amount of ; # Get amount of ;
_sfsubst=${e//";"} _sfsubst=${e//";"}
_sfcount="$(((${#e} - ${#_sfsubst})))" _sfcount="$(((${#e} - ${#_sfsubst})))"
if [ $_sfcount -eq 1 ]; then if [ "$_sfcount" -eq 1 ]; then
# Read example # Read example
read -r -a _sfparsearr <<< "${e}" read -r -a _sfparsearr <<< "${e}"
_sfexamples="$_sfexamples ${_sfparsearr[0]};${_sfparsearr[1]}\n" # Append example arrays
_sfehead="${_sfparsearr[0]}"
[ "${#_sfehead}" -gt "${_sfeoffset}" ] && _sfeoffset="${#_sfehead}"
_sfeheads+=("$_sfehead")
_sfetails+=("${_sfparsearr[1]}")
else else
_sferr "Wrong example declaration: $e" _sferr "Wrong example declaration: $e"
fi fi
done done
# Create examples description with correct line breaks
_sfeoffset=$(( "_sfeoffset" + 3 ))
_sfexamples=""
for i in "${!_sfetails[@]}"; do
_sfetail="${_sfetails[$i]}"
if [ $(( "${#_sfetail}" + "$_sfeoffset" )) -gt "$_sfwidth" ]; then
_sfetail=$(echo "$_sfetail" | fold -s -w "$(( _sfwidth - _sfeoffset ))")
_sfetail="${_sfetail//$' \n'/$'\n;'}"
fi
_sfexamples="${_sfexamples} ${_sfeheads[$i]};${_sfetail}\n"
done
IFS=$OLDIFS IFS=$OLDIFS
# Usage function # Usage function
function _sfusage { function _sfusage {
echo -n "Usage: $(basename "$0") [OPTIONS]" echo -n "Usage: $(basename "$0") [OPTIONS]"
echo -ne "$_sfphead" echo -ne "$_sfpusage"
[ "$sfparr" == true ] && echo -n " ..." [ "$sfparr" == true ] && echo -n " ..."
echo echo
[ -n "${sfdesc}" ] && echo -e "\n$sfdesc" [ -n "${sfdesc}" ] && echo -e "\n$sfdesc"
if [ "$_sfpdesc" != "" ]; then if [ "$_sfpdesc" != "" ]; then
echo -e "\nPOSITIONAL ARGUMENTS" echo -e "\nPOSITIONAL ARGUMENTS"
echo -e "$_sfpdesc" | column -c 80 -s ";" -t -W 2 echo -e "$_sfpdesc" | column -s ";" -t -W 2
fi fi
if [ "$_sfodesc" != "" ]; then if [ "$_sfodesc" != "" ]; then
echo -e "\nOPTIONS" echo -e "\nOPTIONS"
echo -e "$_sfodesc" | column -c 80 -s ";" -t -W 2 echo -e "$_sfodesc" | column -s ";" -t -W 2
fi fi
if [ "$_sfexamples" != "" ]; then if [ "$_sfexamples" != "" ]; then
echo -e "\nEXAMPLES" echo -e "\nEXAMPLES"
echo -e "$_sfexamples" | column -c 80 -s ";" -t -W 2 echo -e "$_sfexamples" | column -s ";" -t -W 2
fi fi
if [ -n "${sfextra}" ]; then if [ -n "${sfextra}" ]; then
echo -e "\n$sfextra" echo -e "\n$sfextra"
@ -187,14 +246,14 @@ while (( "$#" )); do
# Check if flag # Check if flag
if [ -n "${_sfflags["$1"]}" ]; then if [ -n "${_sfflags["$1"]}" ]; then
declare "${_sfflags["$1"]}"=true declare "${_sfflags["$1"]//-/_}"=true
# Check if argument # Check if argument
elif [ -n "${_sfargs["$1"]}" ]; then elif [ -n "${_sfargs["$1"]}" ]; then
# Check if argument has value # Check if argument has value
if [ -n "$2" ] && [ "${2:0:1}" != "-" ]; then if [ -n "$2" ] && [ "${2:0:1}" != "-" ]; then
declare "${_sfargs["$1"]}"="$2" declare "${_sfargs["$1"]//-/_}"="$2"
shift shift
else else
sferr "Argument for '$1' missing" sferr "Argument for '$1' missing"
@ -204,12 +263,12 @@ while (( "$#" )); do
else else
# Check if arg starts with - # Check if arg starts with -
if [ "${1:0:1}" == "-" ]; then if [ "${1:0:1}" == "-" ]; then
sferr "Unsupported argument: $1" sferr "Unsupported argument/flag: $1"
else else
# Set positional argument # Set positional argument
if [ "${#_sfpargs[@]}" != 0 ]; then if [ "${#_sfpargs[@]}" != 0 ]; then
declare "${_sfpargs[0]}"="$1" declare "${_sfpargs[0]//-/_}"="$1"
[ "$sfparr" == true ] && _sfplast="${_sfpargs[0]}" && _sfparr=("$1") [ "$sfparr" == true ] && _sfplast="${_sfpargs[0]//-/_}" && _sfparr=("$1")
_sfpargs=("${_sfpargs[@]:1}") _sfpargs=("${_sfpargs[@]:1}")
elif [ "$sfparr" == true ]; then elif [ "$sfparr" == true ]; then
_sfparr+=("$1") _sfparr+=("$1")
@ -222,10 +281,10 @@ while (( "$#" )); do
done done
# Parse additional arguments if 'sfparr' is set # Parse additional arguments if 'sfparr' is set
[ "$sfparr" == true ] && [ "${#_sfparr[@]}" -ge 1 ] && read -r -a "${_sfplast?}" <<< "${_sfparr[@]}" [ "$sfparr" == true ] && [ "${#_sfparr[@]}" -gt 0 ] && read -r -a "${_sfplast?}" <<< "${_sfparr[@]}"
# Check if positional arguments left # Check if positional arguments left
if [ "$sfparr" != true ] && [ "${#_sfpargs[@]}" -ge 1 ]; then if [ "${#_sfpargs[@]}" -gt 0 ]; then
for p in "${_sfpargs[@]}"; do for p in "${_sfpargs[@]}"; do
sferr "Positional argument '$p' missing" 0 sferr "Positional argument '$p' missing" 0
done done
@ -233,4 +292,4 @@ if [ "$sfparr" != true ] && [ "${#_sfpargs[@]}" -ge 1 ]; then
fi fi
# Unset all internal variables and functions # Unset all internal variables and functions
unset a e _sfargs _sferr _sfexamples _sfflags _sfodesc _sfpargs _sfparr _sfpdesc _sfphead _sfplast _sfusage unset a e i _sfargs _sfehead _sfeheads _sfeoffset _sferr _sfetails _sfexamples _sfflags _sfodesc _sfohead _sfoheads _sfooffset _sfotails _sfpargs _sfparr _sfpdesc _sfphead _sfpheads _sfplast _sfpoffset _sfptails _sfpusage _sfusage _sfwidth